179 lines
4.1 KiB
Bash
179 lines
4.1 KiB
Bash
#!/bin/sh
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setup_eth()
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{
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for part in $(nvram get unused_ifnames); do
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[ "$part" = "$INTERFACE" ] && exit 0
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done
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ifconfig "$INTERFACE" up 2>&- >&-
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}
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find_name()
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{
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pppoa_ifname="atm0" # hack for ppp over atm, which has no ${proto}_ifname
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interfaces="lan wan wifi $(nvram get ifnames)"
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for ifname in $interfaces; do
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IFTYPE="${ifname}"
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IFPROTO="$(nvram get ${IFTYPE}_proto)"
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IFACE="$(nvram get ${IFTYPE}_ifname)"
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case "$IFPROTO" in
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""|none);;
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static|dhcp)
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[ "${IFACE}" = "$INTERFACE" ] && return 0
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[ "${IFACE%%[0-9]*}" = "br" ] && {
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for part in $(nvram get ${IFTYPE}_ifnames); do
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[ "$part" = "$INTERFACE" ] && return 0
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done
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}
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;;
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*)
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[ "$(nvram get ${IFTYPE}_device)" = "$INTERFACE" \
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-a -x /sbin/ifup.${IFPROTO} ] && return 0
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;;
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esac
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done
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IFACE=""
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IFTYPE=""
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IFPROTO=""
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return 255
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}
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do_ifup() {
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if="$3"
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if_proto="$(nvram get ${2}_proto)"
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pidfile=/var/run/${if}.pid
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[ -f $pidfile ] && $DEBUG kill $(cat $pidfile)
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case "$1" in
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static)
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ip=$(nvram get ${2}_ipaddr)
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ip6=$(nvram get ${2}_ip6addr)
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netmask=$(nvram get ${2}_netmask)
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gateway=$(nvram get ${2}_gateway)
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$DEBUG ifconfig $if $ip ${netmask:+netmask $netmask} broadcast + up
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[ -n "$ip6" ] && $DEBUG ifconfig $if add $ip6
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${gateway:+$DEBUG route add default gw $gateway}
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[ -f /tmp/resolv.conf ] || {
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debug "# --- creating /tmp/resolv.conf ---"
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for dns in $(nvram get ${2}_dns); do
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echo "nameserver $dns" >> /tmp/resolv.conf
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done
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}
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env -i ACTION="ifup" INTERFACE="${2}" PROTO=static /sbin/hotplug "iface" &
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;;
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dhcp)
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DHCP_IP=$(nvram get ${2}_ipaddr)
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DHCP_NETMASK=$(nvram get ${2}_netmask)
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$DEBUG ifconfig $if $ip ${netmask:+netmask $netmask} broadcast + up
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DHCP_ARGS="-i $if ${DHCP_IP:+-r $DHCP_IP} -b -p $pidfile"
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DHCP_HOSTNAME=$(nvram get ${2}_hostname)
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DHCP_HOSTNAME=${DHCP_HOSTNAME%%.*}
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[ -z $DHCP_HOSTNAME ] || DHCP_ARGS="$DHCP_ARGS -H $DHCP_HOSTNAME"
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[ "$if_proto" = "pptp" ] && DHCP_ARGS="$DHCP_ARGS -n -q" || DHCP_ARGS="$DHCP_ARGS -R &"
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${DEBUG:-eval} "udhcpc $DHCP_ARGS"
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# hotplug events are handled by /usr/share/udhcpc/default.script
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;;
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*)
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if [ -x "/sbin/ifup.$1" ]; then
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( $DEBUG . /sbin/ifup.$1 ${2} $3 )
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fi
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;;
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esac
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}
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do_register()
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{
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case "${INTERFACE%%[0-9]*}" in
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eth) setup_eth;;
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esac
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[ -z "$IFTYPE" -o -z "$IFPROTO" ] && {
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find_name || {
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case "${INTERFACE%%[0-9]*}" in
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wds)
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for tmp in lan wifi; do
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[ -z "$IFPROTO" ] && [ "$(nvram get ${tmp}_ifname)" = "br0" ] && {
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IFPROTO="$(nvram get ${tmp}_proto)"
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IFTYPE="${tmp}"
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}
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done
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[ -z "$IFPROTO" ] && return 0
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;;
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atm)
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for tmp in lan wan wifi $(nvram get ifnames); do
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[ "$(nvram get ${tmp}_proto)" = "pppoa" ] && {
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do_ifup "pppoa" "$tmp" "$INTERFACE"
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return 0
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}
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done
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;;
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*)
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return 0
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;;
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esac
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}
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}
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case "${INTERFACE%%[0-9]*}" in
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ppp|atm);;
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*)
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mac=$(nvram get ${IFTYPE}_hwaddr)
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${mac:+$DEBUG ifconfig $INTERFACE down hw ether $mac}
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;;
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esac
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if="$(nvram get ${IFTYPE}_ifname)"
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if [ "${if%%[0-9]}" = "br" ]; then
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if_valid "$INTERFACE" && {
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ifconfig "$if" 2>&- >&- || {
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stp=$(nvram get ${IFTYPE}_stp)
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$DEBUG brctl addbr "$if"
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$DEBUG brctl setfd "$if" 0
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$DEBUG brctl stp "$if" "${stp:-0}"
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}
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if [ "$INTERFACE" != "$if" ]; then
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$DEBUG ifconfig "$INTERFACE" 0.0.0.0 up
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brctl addif "$if" "$INTERFACE"
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else
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do_ifup "$IFPROTO" "$IFTYPE" "$if"
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fi
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}
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else
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[ "${INTERFACE%%[0-9]*}" = "ppp" ] || do_ifup "$IFPROTO" "$IFTYPE" "$if"
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fi
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}
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do_unregister() {
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[ -z "$IFTYPE" -o -z "$IFPROTO" ] && find_name
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[ -z "$IFTYPE" -o -z "$IFPROTO" ] && return 0
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[ "${IFACE%%[0-9]*}" = "br" ] && {
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if [ "$INTERFACE" != "$IFACE" ]; then
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brctl delif "$IFACE" "$INTERFACE" 2>&- >&-
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else
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brctl delbr "$IFACE" 2>&- >&-
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fi
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}
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case "$IFPROTO" in
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pppoe|pppoa|pptp)
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killall pppd 2>&- >&-
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;;
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dhcp)
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[ -f /var/run/${INTERFACE}.pid ] && kill "$(cat /var/run/${INTERFACE}.pid)" 2>&- >&-
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;;
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esac
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[ "${INTERFACE%%[0-9]*}" = "atm" ] || ifconfig "$INTERFACE" 0.0.0.0 down 2>&-
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}
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case "$ACTION" in
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add|register) do_register;;
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remove|unregister) do_unregister;;
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esac
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